CN202715782U - Sand mold automatic molding machine hydraulic system - Google Patents
Sand mold automatic molding machine hydraulic system Download PDFInfo
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- CN202715782U CN202715782U CN201220417989.2U CN201220417989U CN202715782U CN 202715782 U CN202715782 U CN 202715782U CN 201220417989 U CN201220417989 U CN 201220417989U CN 202715782 U CN202715782 U CN 202715782U
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- solenoid directional
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Abstract
The utility model discloses a sand mold automatic molding machine hydraulic system. A motor is connected with a double pump, an oil absorption filter screen is connected with the double pump through a pipeline, an outlet of the double pump is connected with a one-way valve I which is communicated with an oil-way manifold block and a P opening of a proportional overflow valve through a pipeline, an oil outlet A of an electro-magnetic unloading valve is communicated with the P opening of the proportional overflow valve to form a head P opening of the oil-way manifold block, a P opening and a T opening of a proportional reversing valve are respectively communicated with a P opening and a T opening of the oil-way manifold block, an A opening and a B opening of the proportional reversing valve are respectively communicated with an A opening and a B opening of a two-position four-way electro-magnetic reversing valve, the A opening and the B opening of the proportional reversing valve are respectively communicated with a rodless cavity and a rod cavity of an oil cylinder V, a P opening and a T opening of the two-position four-way electro-magnetic reversing valve are both communicated with a head T opening of the oil-way manifold block. The sand mold automatic molding machine hydraulic system is used for a hydraulic system of a molding machine, the system can guarantee that the density of an extruded sand mold is reasonable, the system is provided with an oil cylinder stable pressure relief circuit to enable mold taking to be stable, and automatic operation is easily achieved.
Description
Technical field
The utility model relates to a kind of hydraulic control system of automatic moulding machine, relates in particular to a kind of husky mould automatic modeling machine hydraulic system.
Background technology
Present husky mould production process much adopts craft or plant equipment to do husky die cavity, and labour intensity is large, and percent defective height and efficient are low.This automatic husky modeling machine hydraulic system only adopts 1 power 7.5KW motor just can realize per hour doing 230 husky chamber moulding.
Summary of the invention
The purpose of this utility model provide a kind of stable, rationally, realize the husky mould automatic modeling machine hydraulic system of automatic operation.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of husky mould automatic modeling machine hydraulic system, comprise duplex pump and fuel tank, it is characterized in that: motor connects duplex pump, oil absorption filter screen connects duplex pump by pipeline, the inlet tube of oil absorption filter screen is connected on the fuel tank, the duplex delivery side of pump connects the check valve II, and the check valve II is connected on the unloading electromagnetic valve P mouth by pipeline and oil-way integrated block, and the outlet of unloading electromagnetic valve connects the total P mouth of oil-way integrated block; The duplex delivery side of pump connects the check valve I, and the check valve I is connected with the P mouth of proportional pressure control valve by pipeline and oil-way integrated block, and unloading electromagnetic valve oil-out A is connected with proportional pressure control valve P mouth becomes total P mouth of oil-way integrated block; Proportional reversing valve P mouth and T mouth are connected with oil-way integrated block P mouth and T mouth respectively, proportional reversing valve A mouth and B mouth are connected with two-position four-way solenoid directional control valve A mouth and B mouth respectively, and proportional reversing valve A mouth and B mouth are connected with oil cylinder V rodless cavity and rod chamber respectively, and two-position four-way solenoid directional control valve P mouth and T mouth all are connected with the total T mouth of oil-way integrated block.
According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: the solenoid directional control valve IV, solenoid directional control valve V P mouth is connected described oil-way integrated block P mouth and T mouth with the T mouth, solenoid directional control valve IV A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder IV, superposing type dual hydraulic control one-way valve II is installed between solenoid directional control valve IV A mouth and B mouth and the oil cylinder IV, solenoid directional control valve V B mouth is connected with oil cylinder IV rodless cavity, superposing type dual hydraulic control one-way valve III and overlapping two are installed between solenoid directional control valve V B mouth and the oil cylinder IV rodless cavity, and Pressure gauge is connected with the rodless cavity of oil cylinder IV.
According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: the solenoid directional control valve III connects described oil-way integrated block P mouth and T mouth, solenoid directional control valve III A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder III, and the valve that contends with is installed between solenoid directional control valve III A mouth and the oil cylinder III.
According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: described duplex pump is comprised of large oil pump and two pumps of little oil pump, and large oil pump connects the check valve II, and little oil pump connects the check valve I.
According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: solenoid directional control valve I, solenoid directional control valve II P mouth are connected described oil-way integrated block P mouth and T mouth with the T mouth, solenoid directional control valve I A mouth is connected rodless cavity and the rod chamber of oil cylinder I with the B mouth, between solenoid directional control valve I B mouth and the oil cylinder I one way pressure-reducing valve is installed, solenoid directional control valve II A mouth is connected rod chamber and the rodless cavity of oil cylinder II with the B mouth, superposing type dual hydraulic control one-way valve I is installed between solenoid directional control valve II and the oil cylinder II.
The utility model has the advantages of and be: 1, adoption rate reversal valve control oscillating oil cylinder steadily stops and the energy high speed motion, in the oil cylinder swing process, turn over the dead point by the two-position four-way solenoid directional control valve, so that turntable high-speed rotary turnback and stop steadily and can turn over the dead point by inertia, 2, system can guarantee to push husky mould and reaches rational density, 3, system is provided with the steady depressurized circuit of oil cylinder and makes withdrawing pattern steady, realizes easily automatic job.
Description of drawings
Fig. 1 is hydraulic diagram of the present utility model.
In the accompanying drawing: 1, oil level indicator; 2, fuel tank; 3, motor; 4, check valve I; 5, oil absorption filter screen; 6, duplex pump; 7, check valve II; 8, air cleaner; 9, cooler; 10, return filter; 11, electro connecting pressure gauge; 12, unloading electromagnetic valve; 13, solenoid directional control valve I; 14, one way pressure-reducing valve; 15, oil cylinder I; 16, solenoid directional control valve II; 17, superposing type dual hydraulic control one-way valve I; 18, oil cylinder II; 19, solenoid directional control valve III; 20, the valve that contends with; 21, oil cylinder III; 22, solenoid directional control valve IV; 23, superposing type dual hydraulic control one-way valve II; 24, oil cylinder IV; 25, Pressure gauge; 26, solenoid directional control valve V; 27, superposing type dual hydraulic control one-way valve III; 28, overlapping two; 29, proportional reversing valve; 30, two-position four-way solenoid directional control valve; 31, oil cylinder V; 32, proportional pressure control valve; 33, oil-way integrated block.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
The utility model as shown in Figure 1, a kind of husky mould automatic modeling machine hydraulic system, comprise duplex pump 6 and fuel tank 2, it is characterized in that: motor 3 connects duplex pump 6, oil absorption filter screen 5 connects duplex pump 6 by pipeline, and the inlet tube of oil absorption filter screen 5 is connected on the fuel tank 2, and the outlet of duplex pump 6 connects check valve II 7, check valve II 7 is connected on the unloading electromagnetic valve 12P mouth by pipeline and oil-way integrated block 33, and the outlet of unloading electromagnetic valve 12 connects oil-way integrated block 33 total P mouths; The outlet of duplex pump 6 connects check valve I 4, and check valve I 4 is connected with the P mouth of proportional pressure control valve 32 by pipeline and oil-way integrated block 33, and unloading electromagnetic valve 12 oil-out A are connected with proportional pressure control valve 32P mouth becomes total P mouth of oil-way integrated block 33; Proportional reversing valve 29P mouth and T mouth are connected with oil-way integrated block 33P mouth and T mouth respectively, proportional reversing valve 29A mouth and B mouth are connected with two-position four-way solenoid directional control valve 30A mouth and B mouth respectively, and proportional reversing valve 29A mouth and B mouth are connected with oil cylinder V 31 rodless cavities and rod chamber respectively, and two-position four-way solenoid directional control valve 30P mouth and T mouth all are connected with oil-way integrated block 33 total T mouths.According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: solenoid directional control valve IV 22, solenoid directional control valve V 26P mouth is connected described oil-way integrated block 33P mouth and T mouth with the T mouth, solenoid directional control valve IV 22A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder IV 24, superposing type dual hydraulic control one-way valve II 23 is installed between solenoid directional control valve IV 22A mouth and B mouth and the oil cylinder IV 24, solenoid directional control valve V 26B mouth is connected with oil cylinder IV 24 rodless cavities, superposing type dual hydraulic control one-way valve III 27 and overlapping two 28 are installed between solenoid directional control valve V 26B mouth and oil cylinder IV 24 rodless cavities, and Pressure gauge 25 is connected with the rodless cavity of oil cylinder IV 24.According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: solenoid directional control valve III 19 connects described oil-way integrated block 33P mouth and T mouth, solenoid directional control valve III 19A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder III 21, and the valve 20 that contends with is installed between solenoid directional control valve III 19A mouth and the oil cylinder III 21.According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: described duplex pump 6 is comprised of large oil pump and two pumps of little oil pump, and large oil pump connects check valve II 7, and little oil pump connects check valve I 4.According to described husky mould automatic modeling machine hydraulic system, it is characterized in that: solenoid directional control valve I 13, solenoid directional control valve II 16P mouth are connected described oil-way integrated block 33P mouth and T mouth with the T mouth, solenoid directional control valve I 13A mouth is connected rodless cavity and the rod chamber of oil cylinder I 15 with the B mouth, one way pressure-reducing valve 14 is installed between solenoid directional control valve I 13B mouth and the oil cylinder I 15, solenoid directional control valve II 16A mouth is connected rod chamber and the rodless cavity of oil cylinder II 18 with the B mouth, superposing type dual hydraulic control one-way valve I 17 is installed between solenoid directional control valve II 16 and the oil cylinder II 18.
Use principle introduction of the present utility model is as shown in Figure 1: motor 3 forms duplex pump 6 with big or small pump and connects to form the electric-motor pump group by pump bracket and shaft coupling, duplex pump 6 inlet ports are connected with fuel tank 2 by pipeline and carry out oil suction, feature is to be equipped with oil absorption filter screen 5 on the pipeline, the hydraulic fluid port that pumps greatly of duplex pump 6 connects check valve II 7, and check valve II 7 is logical with the P mouth of unloading electromagnetic valve 12 by pipeline and oil-way integrated block 33.The little hydraulic fluid port that pumps of duplex pump 6 connects check valve I 4, and check valve I 4 is logical with proportional pressure control valve 32P mouth by pipeline and oil-way integrated block 33.Unloading electromagnetic valve 12 oil-out A communicate by oil-way integrated block 33 with proportional pressure control valve 32P mouth becomes oil-way integrated block 33 total P mouths, and oil-way integrated block 33 total P mouths communicate with solenoid directional control valve I 13, solenoid directional control valve II 16, solenoid directional control valve III 19, solenoid directional control valve IV 22, solenoid directional control valve V 26 and proportional reversing valve 29P mouth respectively.Oil-way integrated block 33 total P mouths are connected with electro connecting pressure gauge 11, solenoid directional control valve I 13, solenoid directional control valve II 16, solenoid directional control valve III 19, solenoid directional control valve IV 22, solenoid directional control valve V 26 and proportional reversing valve 29 T mouths communicate by oil-way integrated block 33 becomes oil-way integrated block 33 total T mouths. and oil-way integrated block 33 total T mouths communicate with return filter 10 by pipeline, return filter 10 communicates with fuel tank 2, and feature is between return filter 10 and the fuel tank 2 cooler 9 to be installed.Proportional reversing valve 29A mouth and B mouth are respectively with two-position four-way solenoid directional control valve 30A mouth with the B mouth communicates and communicate with oil cylinder V 31 rodless cavities and rod chamber respectively, and two-position four-way solenoid directional control valve 30P mouth and T mouth all communicate with oil-way integrated block 33 total T mouths.Solenoid directional control valve I 13A mouth and B mouth communicate with oil cylinder I 15 rodless cavities and rod chamber respectively, and feature is that one way pressure-reducing valve 14 is installed between B mouth and the rod chamber.Solenoid directional control valve II 16A mouth and B mouth communicate with oil cylinder II 18 rod chambers and rodless cavity respectively, and feature is that superposing type dual hydraulic control one-way valve I 17 is housed between solenoid directional control valve II 16 and the oil cylinder II 18.Solenoid directional control valve III 19A mouth and B mouth communicate with oil cylinder III 21 rodless cavities and rod chamber respectively, and feature is that the valve 20 that contends with is housed between A mouth and the rodless cavity.Solenoid directional control valve IV 22A mouth and B mouth communicate with oil cylinder IV 24 rodless cavities and rod chamber respectively, feature is that superposing type dual hydraulic control one-way valve II 23 is housed between solenoid directional control valve IV 22 and the oil cylinder IV 24, solenoid directional control valve V 26B mouth communicates with oil cylinder IV 24 rodless cavities, feature is that superposing type dual hydraulic control one-way valve III 27 and overlapping two 28 are housed between solenoid directional control valve V 26B mouth and the oil cylinder IV 24, solenoid directional control valve V 26A mouth seal up need not, Pressure gauge 25 links to each other with oil cylinder IV 24 rodless cavities.
When motor 3 energising drive duplex pumps 6 through oil absorption filter screen 5 from fuel tank 2 oil suctions, then pressure oil enters oil-way integrated block 33 through check valve II 7 and check valve I 4, and pressure oil gathers simultaneously fuel feeding of the existing double pump of the total P cause for gossip of formation at 33 li passing ratio overflow valves 32 of oil-way integrated block and unloading electromagnetic valve 12.When the electromagnet 1CT of proportional reversing valve 29 energising, pressure oil enters oil cylinder V 31 rodless cavities through proportional reversing valve 29A mouth, and the pressure oil of its oil cylinder V 31 rod chambers is through proportional reversing valve 29B mouth oil sump tank 2.When the electromagnet 2CT of proportional reversing valve 29 energising, pressure oil enters oil cylinder V 31 rod chambers through proportional reversing valve 29B mouth, and the pressure oil of oil cylinder V 31 rodless cavities is through proportional reversing valve 29A mouth oil sump tank.The electromagnet 3CT of two-position four-way solenoid directional control valve 30 energising, oil cylinder V 31 rod chambers and rodless cavity communicate with oil-way integrated block 33 total T mouths simultaneously, make oil cylinder V 31 can be under the effect of inertia force free-extension.The electromagnet 4CT of solenoid directional control valve I 13 energising pressure oil enters oil cylinder I 15 rod chambers through solenoid directional control valve I 13A mouth pressure oil, the pressure oil of oil cylinder I 15 rodless cavities through one way pressure-reducing valve 14 again from solenoid directional control valve I 13B mouth oil sump tank.When the electromagnet 5CT of solenoid directional control valve I 13 energising, pressure oil is fuel-displaced through solenoid directional control valve I 13B mouth, enters oil cylinder I 15 rodless cavities after one way pressure-reducing valve 14 decompressions, and the pressure oil of oil cylinder I 15 rod chambers is through solenoid directional control valve I 13A mouth oil sump tank.The electromagnet 6CT of solenoid directional control valve II 16 energising, A mouth pressure oil are opened and are entered oil cylinder II 18 rod chambers through superposing type dual hydraulic control one-way valve I 17, the pressure oil of rodless cavity through superposing type dual hydraulic control one-way valve I 17 again through solenoid directional control valve II 16B mouth oil sump tank 2.The electromagnet 7CT of solenoid directional control valve II 16 energising, B mouth pressure oil are opened and are entered oil cylinder II 18 rodless cavities through superposing type dual hydraulic control one-way valve I 17, the pressure oil of rod chamber through superposing type dual hydraulic control one-way valve I 17 again through solenoid directional control valve II 16A mouth oil sump tank.Solenoid directional control valve III 19(8ct) energising A mouth pressure oil enters oil cylinder III 21 rodless cavities through the valve 20 that contends with, the pressure oil of rod chamber is through solenoid directional control valve III 19B mouth oil sump tank, solenoid directional control valve III 19(9ct) energising B mouth pressure oil enters oil cylinder III 21 rod chambers, the pressure oil of rodless cavity through the valve 20 that contends with again through solenoid directional control valve III 19B mouth oil sump tank.When oil cylinder III 21 pressurized, rodless cavity pressure oil need to overcome the pressure ability oil sump tank that balanced valve 20 is set up.The electromagnet 10CT of solenoid directional control valve IV 22 energising A mouth pressure oil is opened and is entered oil cylinder IV 24 rodless cavities through superposing type dual hydraulic control one-way valve II 23, the pressure oil of rod chamber through superposing type dual hydraulic control one-way valve II 23 again through solenoid directional control valve IV 22B mouth oil sump tank.The electromagnet 11CT of solenoid directional control valve IV 22 energising B mouth pressure oil is opened and is entered oil cylinder IV 24 rod chambers through superposing type dual hydraulic control one-way valve II 23, the pressure oil of rodless cavity through superposing type dual hydraulic control one-way valve II 23 again through solenoid directional control valve IV 22A mouth oil sump tank.The electromagnet 12CT energising B mouth pressure oil of solenoid directional control valve V 26 is opened superposing type dual hydraulic control one-way valve III 27, make the pressure oil of oil cylinder IV 24 rodless cavities then slowly flow back to fuel tank through solenoid directional control valve V 26A mouth again through superposing type dual hydraulic control one-way valve III 27 through overlapping two 28 throttlings, solenoid directional control valve V 26B mouth pressure oil ends after through superposing type dual hydraulic control one-way valve III 27 and overlapping two 28, and the 24 steady releases of oil cylinder IV are realized in this loop.
1, adoption rate reversal valve control oscillating oil cylinder steadily stops and the energy high speed motion, in the oil cylinder swing process, turn over the dead point by the two-position four-way solenoid directional control valve, so that turntable high-speed rotary turnback and stop steadily and can turn over the dead point by inertia, 2, system can guarantee to push husky mould and reaches rational density, 3, system is provided with the steady depressurized circuit of oil cylinder and makes withdrawing pattern steady, realizes easily automatic job.
Embodiment recited above is described preferred embodiment of the present utility model; be not that design of the present utility model and protection domain are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement all should fall into protection domain of the present utility model.
Claims (5)
1. husky mould automatic modeling machine hydraulic system, comprise duplex pump (6) and fuel tank (2), it is characterized in that: motor (3) connects duplex pump (6), oil absorption filter screen (5) connects duplex pump (6) by pipeline, the inlet tube of oil absorption filter screen (5) is connected on the fuel tank (2), the outlet of duplex pump (6) connects check valve II (7), check valve II (7) is connected on unloading electromagnetic valve (12) the P mouth by pipeline and oil-way integrated block (33), and the outlet of unloading electromagnetic valve (12) connects the total P mouth of oil-way integrated block (33); The outlet of duplex pump (6) connects check valve I (4), check valve I (4) is connected with the P mouth of proportional pressure control valve (32) by pipeline and oil-way integrated block (33), and unloading electromagnetic valve (12) oil-out A is connected with proportional pressure control valve (32) P mouth becomes total P mouth of oil-way integrated block (33); Proportional reversing valve (29) P mouth and T mouth are connected with oil-way integrated block (33) P mouth and T mouth respectively, proportional reversing valve (29) A mouth and B mouth are connected with two-position four-way solenoid directional control valve (30) A mouth and B mouth respectively, and proportional reversing valve (29) A mouth and B mouth are connected with oil cylinder V (31) rodless cavity and rod chamber respectively, and two-position four-way solenoid directional control valve (30) P mouth and T mouth all are connected with the total T mouth of oil-way integrated block (33).
2. husky mould automatic modeling machine hydraulic system according to claim 1, it is characterized in that: solenoid directional control valve IV (22), solenoid directional control valve V (26) P mouth is connected described oil-way integrated block (33) P mouth and T mouth with the T mouth, solenoid directional control valve IV (22) A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder IV (24), superposing type dual hydraulic control one-way valve II (23) is installed between solenoid directional control valve IV (22) A mouth and B mouth and the oil cylinder IV (24), solenoid directional control valve V (26) B mouth is connected with oil cylinder IV (24) rodless cavity, superposing type dual hydraulic control one-way valve III (27) and overlapping two (28) are installed between solenoid directional control valve V (26) B mouth and oil cylinder IV (24) rodless cavity, and Pressure gauge (25) is connected with the rodless cavity of oil cylinder IV (24).
3. husky mould automatic modeling machine hydraulic system according to claim 1, it is characterized in that: solenoid directional control valve III (19) connects described oil-way integrated block (33) P mouth and T mouth, solenoid directional control valve III (19) A mouth and B mouth connect respectively rodless cavity and the rod chamber of oil cylinder III (21), and the valve (20) that contends with is installed between solenoid directional control valve III (19) A mouth and the oil cylinder III (21).
4. husky mould automatic modeling machine hydraulic system according to claim 1, it is characterized in that: described duplex pump (6) is comprised of large oil pump and two pumps of little oil pump, and large oil pump connects check valve II (7), and little oil pump connects check valve I (4).
5. husky mould automatic modeling machine hydraulic system according to claim 1, it is characterized in that: solenoid directional control valve I (13), solenoid directional control valve II (16) P mouth is connected described oil-way integrated block (33) P mouth and T mouth with the T mouth, solenoid directional control valve I (13) A mouth is connected rodless cavity and the rod chamber of oil cylinder I (15) with the B mouth, between solenoid directional control valve I (13) B mouth and the oil cylinder I (15) one way pressure-reducing valve (14) is installed, solenoid directional control valve II (16) A mouth is connected rod chamber and the rodless cavity of oil cylinder II (18) with the B mouth, superposing type dual hydraulic control one-way valve I (17) is installed between solenoid directional control valve II (16) and the oil cylinder II (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220417989.2U CN202715782U (en) | 2012-08-22 | 2012-08-22 | Sand mold automatic molding machine hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220417989.2U CN202715782U (en) | 2012-08-22 | 2012-08-22 | Sand mold automatic molding machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715782U true CN202715782U (en) | 2013-02-06 |
Family
ID=47617620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220417989.2U Withdrawn - After Issue CN202715782U (en) | 2012-08-22 | 2012-08-22 | Sand mold automatic molding machine hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202715782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814468A (en) * | 2012-08-22 | 2012-12-12 | 枣庄天源气动液压制造有限公司 | Hydraulic system for automatic sand mold molding machine |
-
2012
- 2012-08-22 CN CN201220417989.2U patent/CN202715782U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814468A (en) * | 2012-08-22 | 2012-12-12 | 枣庄天源气动液压制造有限公司 | Hydraulic system for automatic sand mold molding machine |
| CN102814468B (en) * | 2012-08-22 | 2014-03-05 | 枣庄天源气动液压制造有限公司 | Hydraulic system for automatic sand mold molding machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140305 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140305 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |